It may take more energy to transport unthreshed grain to the power separator, pay for the service, and return the grain than to flail it out and allow the wind to separate it, or to use a draft animal to stamp it out on a threshing floor.

Hereupon also will they thresh out three parts of the old corn, towards the latter end of the summer, when new cometh apace to hand, and cast the same in the fourth unthreshed, where it shall lie until the next spring, or peradventure till it must and putrify.